3r) Adoption of Resolution Approving First Amendment to BOS Agreement No. 15-125/Department of Transportation Agreement Number 150097 (Eighth Amendment Overall), for Engineering Consultant Services with MGE Engineering, Inc. in the Amount of $120,130, for a New Agreement Total of $680,000, and Authorizing a Contingency Amount of $12,000, for the Dutch Charlie Creek Bridge Replacement on Wilderness Lodge Road, County Road 320, Mile Post 0.72 (Laytonville Area)